New research shows evidence of manmade pyramids in Antarctica, in this clip from Season 3, "Mysterious Ancient Ruins."

Watch all new episodes of The UnXplained, Fridays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule.

#TheUnXplained

Subscribe for more from The UnXplained and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT

Watch more The UnXplained on YouTube in this playlist:
https://histv.co/UnXplainedYT

Find out more about the show and watch full episodes on our site:
https://histv.co/unxplained

Check out exclusive The HISTORY Channel content:
History Newsletter https://histv.co/newsletter
Website https://histv.co/History
Facebook https://histv.co/Facebook
Twitter https://histv.co/Twitter

From the producers of Ancient Aliens and The Curse of Oak Island comes The UnXplained, a onehour, nonfiction series that explores the world's most fascinating, strange and inexplicable mysteries. Hosted and executive produced by Golden Globe and Emmy Awardwinning actor William Shatner (Star Trek, Boston Legal) each episode will feature compelling contributions from scientists, historians, witnesses and experiencerseach seeking to shed light on how the seemingly impossible actually can happen.

The HISTORY Channel® is the leading destination for awardwinning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network's alloriginal programming slate features a roster of hit series, premium documentaries, and scripted event programming.